对应用同向电流相互吸引实验的再探究

Further study on the experiments based on the attraction between two currents in the same direction

对一道习题实验进行了简要分析,介绍了使实验易于成功的器材和方法及利用它所做的一次生活实践尝试.

The simple analysis on one experiment problem is given. Instruments to be used to complete the experiment efficiently is introduced, as well as the experimental method. We conduct the experiment in practical experience.